p4p800dlx problem

hi, i rode last night to my friend to try and ply games in lan and when i got there and plugged everything in the comp didnt boot
the fans does turn on, but nothing else happends, its not even beeping.
if anyone know what it is... i'll be really thankful.

did u just assemble ur pc? try to reseat ram and cpu... mainly cpu

no i install the comp like a month ago at my place and it worked just fine.

any updates?